USB DVR, Wireless USB DVR; 4-channel 2.4Ghz wireless video/audio; Capture images 30 frames per second, Record file format AVI and play with windows Media Player
VE-UD301-W7
Support win7 system; 4ch video input.25fps(PAL),30fps(NTSC);Readmore +
VE-UD302
Wireless USB DVR; 4-channel 2.4Ghz wireless video/audio Readmore +
VE-UD303
USB3.0,Support built-in DDNS for Internet, Working system: WINS XP Readmore +
Support win7 system; 4ch video input.25fps(PAL),30fps(NTSC); Readmore + 
Wireless USB DVR; 4-channel 2.4Ghz wireless video/audio Readmore + 
USB3.0,Support built-in DDNS for Internet, Working system: WINS XP Readmore + 